check engine lexus LC500h 2020 / LEXUS 2020 LC500,LC500H (OM11537U) Repair Manual

3828-1. Specifications
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
*: Your Lexus vehicle is filled with “Toyota Genu ine Differential Gear Oil” at the factory.
Use Lexus approved “Toyota Genu ine Differential Gear Oil” or an equivalent of match-
ing quality to satisfy the above specification. Please contact your Lexus dealer for further
details.
*1: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N, 51.0 kgf)
while the engine is running .
When performing the brake pedal inspection, also be sure to check that the brake sys-
tem warning light is not illumin ated when the engine is running ing>. (If the brake system warning lig ht is illuminated, refer to P.339.)
NOTICE
■Hybrid transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration in
shift quality and ultimately damage the transmission of your vehicle.
Differential
Oil capacity0.90 qt. (0.85 L, 0.75 Imp.qt.)
Oil type and viscosity
Without LSD (Limited Slip Differential)
Toyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
*

With LSD (Limited Slip Differential)
Toyota Genuine Differential gear oil LX
75W-85 GL-5 or equivalent
*
Brakes
Pedal clearance*15.2 in. (132 mm) Min.
Pedal free play0.04  0.24 in. (1.0  6.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake indicator*2
When pushing the parking brake switch for
1 to 4 seconds: comes on
When pulling the parking brake switch for 1
to 4 seconds: turns off
Fluid typeSAE J1703 or FMVSS No.116 DOT 3

422What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.358)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.358)
 Is the electronic key battery weak or
depleted? ( P.322)
 Is the engine switch
in IGNITION ON mode mode>?
When locking the doors, turn the engine
switch off. ( P.150, 154)
 Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop-
erly due to the condition of the radio wave. (
P.117)
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.114)
 Did you press the engine switch
while firmly
depressing the brake pedal?
( P.148, 151)
 Is the shift position in P? ( P.157,
163)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.116)
 Is the steering wheel unlocked?
( P.149, 152)
 Is the electronic key battery weak or
depleted?
In this case, the engine can
be started in a temporary way. ( P.360)
 Is the 12-volt battery discharged?
( P.361)
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The doors cannot be locked or
unlocked
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does
not start
The steering wheel cannot be
turned after the engine system> is stopped

423What to do if... (Troubleshooting)
It is locked automatically to prevent
theft of the vehicle. ( P.149, 152)
 Is the window lock switch pressed?
The power window at the passenger’s seat
cannot be operated if the window lock
switch is pressed. ( P.135)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is
not running operating>) for a period of time.
( P.151, 154)
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.343)
 The parking brake indicator is on
Is the parking brake released? ( P.170)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.339, 348)
 Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds.
(
 P.70)
To stop the alarm, turn the engine
switch to IGNITION
ON mode , or start the
engine .
 Is the electronic key left inside the
vehicle?
Check the message on the multi-informa-
tion display. ( P.348)
 When a warning light turns on or a
warning message is displayed, refer
to P.339, 348.
 Slow down the vehicle, drive with
extra caution, and take your vehicle
to the nearest Lexus dealer or
authorized tire dealer as soon as
possible to have the tire replaced.
( P.354)
 Try the procedure for when the vehi-
cle becomes stuck in mud, dirt, or
snow. ( P.374)
The windows do not open or
close by operating the power
window switches
The engine switch switch> is turned off automati-
cally
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

Alphabetical index427
If the hybrid system will not start ........356
If your vehicle has to be stopped in an
emergency ................................................330
Ignition switch (engine switch) ............ 148
Ignition switch (power switch) ............... 151
Overheating.................................... 368, 370
Power switch .................................................. 151
Engine coolant..............................................300 Capacity ........................................................ 380
Checking ...................................................... 300
Preparing and checking before winter......................................................................... 242
Engine coolant temperature gauge ....... 80
Engine immobilizer system ........................ 68
Engine oil ........................................................ 297 Capacity ......................................................... 378
Checking ....................................................... 297
Preparing and checking before winter......................................................................... 242
Warning light ............................................... 339
Warning message.......................................351
Engine oil maintenance data .................. 299
Engine oil temperature gauge .................. 80
Engine switch (power switch) ......... 148, 151 Auto power off function ..................151, 154
Changing the engine switch (power switch) modes.................................150, 154
If your vehicle has to be stopped in an
emergency ................................................330
Starting the engine (hybrid system).................................148, 151
EPS (Electric Power Steering) .............. 235 Function .......................................................... 235
Warning light ...............................................340
EV drive mode............................................... 155
Event data recorder (EDR) ........................... 8
EV indicator ........................................................ 61
F
First-aid kit storage belt ............................ 266
Flat tire ............................................................. 354 Tire pressure warning system ............. 307 Floor mats ...........................................................22
Fluid
Automatic transmission ........................... 381
Brake ................................................................382
Hybrid transmission................................... 381
Washer ...........................................................302
Footwell light ................................................. 262
Front passenger occupant classification system .............................................................. 38
Front seats ........................................................ 122 Adjustment ...................................................... 122
Cleaning .......................................................... 281
Correct driving posture ............................ 23
Driving position memory .........................124
Head restraints.............................................. 127
Jam protection function ............................123
Memory recall function............................ 125
Seat heaters ..................................................259
Seat position memory ...............................124
Seat ventilators ............................................259
Front side marker light ................................ 175 Light switch .....................................................175
Replacing light bulbs ................................328
Front turn signal lights .................................169 Replacing light bulbs ................................328
Turn signal lever .......................................... 169
Fuel ..................................................................... 184 Capacity ......................................................... 377
Fuel gauge ....................................................... 80
Fuel pump shut off system.................... 338
Information ................................................... 385
Refueling.......................................................... 184
Type .................................................................. 377
Warning light ...............................................343
Fuel consumption Average fuel consumpt ion after refueling
.............................................................................86
Average fuel economy ..............................86
Current fuel consumption ........................86
Fuel filler door ................................................ 184 If the fuel filler do or cannot be opened
......................................................................... 358

Alphabetical index431
Indicator ......................................................... 342
Operation........................................................170
Parking brake engaged warning buzzer........................................................................... 172
Warning message....................................... 172
Parking lights ................................................... 175 Light switch ..................................................... 175
Replacing light bulbs................................ 328
PCS (Pre-Collision System) .....................192 Function ............................................................ 192
PCS OFF switch ..........................................194
Warning light .................................................341
Warning message...................................... 198
Personal lights............................................... 262
Pop-up display ................................................. 82
Pop Up Hood................................................... 36
Power control unit.......................................... 63
Power control unit coolant ......................300 Capacity ........................................................ 380
Checking ...................................................... 300
Preparing and checking before winter......................................................................... 242
Power outlet .................................................. 268
Power steering (Elect ric power steering
system).......................................................... 235 Warning light ...............................................340
Warning message..................................... 349
Power switch (engine switch) ......... 148, 151 Auto power off function ..................151, 154
Changing the power switch (engine switch) modes.................................150, 154
If your vehicle has to be stopped in an
emergency ................................................330
Starting the hybrid system (engine) ................................................148, 151
Power windows ..............................................134 Door lock linked window operation..135
Jam protection function............................135
Operation........................................................ 134
Window lock switch ..................................135
Pre-Collision System (PCS) .....................192 Function ............................................................ 192 PCS OFF switch ......................................... 194
Warning light .................................................341
Warning message ...................................... 198
R
Radar cruise control (dynamic radar cruise
control with full-speed range)............. 206
Radiator ............................................................ 301
Rear side marker lights ............................... 175 Light switch .....................................................175
Replacing light bulbs ................................328
Rear turn signal lights ..................................169 Replacing light bulbs ................................328
Turn signal lever .......................................... 169
Rear view mirror Inside rear view mirror ............................. 130
Outside rear view mirrors........................ 131
Rear window defogger ............................. 253
Refueling .......................................................... 184 Capacity ......................................................... 377
Fuel types ....................................................... 377
If the fuel filler do or cannot be opened
......................................................................... 358
Opening the fuel tank cap ..................... 184
Regenerative braking ..................................... 61
Remote Touch .............................................. 246
Replacing Electronic key battery .............................. 322
Fuses................................................................. 323
Light bulbs .....................................................328
Tires ................................................................... 313
Resetting the message indicating mainte- nance is required ...................................... 287
Rev indicator ......................................................81
Rev peak............................................................. 82
Run-flat tires........................................307, 354
S
Seat belt reminder light............................. 343
Seat belts............................................................ 24 Automatic Locking Retractor................. 26

Alphabetical index433
Stop lightsReplacing light bulbs................................ 328
Storage feature ............................................ 264
Stuck If the vehicle becomes stuck................ 374
Sunshade......................................................... 269
Sun visors ........................................................ 268
Switches “SOS” button .................................................. 54
Active rear wing switch .......................... 232
Automatic High Beam system..............178
Brake Hold switch ...................................... 173
BSM (Blind spot monitor) switch...... 224
Door lock switches ...................................... 110
Driving mode select switch .................... 216
Driving position memory switches ..... 124
Dynamic radar cruise control with full-speed range switch ............................... 207
Emergency flashers switch ...................330
Engine switch................................................ 148
EV drive mode switch ............................. 155
Garage door opener switches .......... 270
Heated steering wheel switch............. 259
HUD (Head-up display) switch.............. 91
Ignition switch.......................................148, 151
Instrument panel light control switch.. 83
Intuitive parking assist switch.................218
Light switches ................................................ 175
LKA (Lane-Keeping Assist) switch ....201
Meter control switches ..............................85
Outside rear view mirror switches ...... 131
Paddle shift switches .... 161, 162, 167, 168
Parking brake switch .................................170
PCS OFF switch ..........................................194
Power door lock switch ............................ 110
Power switch .................................................. 151
Power window switches ..........................134
Rear window and outside rear view mir- ror defoggers switch ............................ 252
Seat heater switches ................................ 259
Seat ventilator switches .......................... 259
Snow mode switch ............................ 161, 167 Tilt and telescopic steering control switch
............................................................................129
Tire pressure warning reset switch.... 310
Trunk opener main switch........................ 115
Trunk opener switch ................................... 113
Vehicle-to-vehicle distance switch... 207
VSC OFF switch .......................................236
Window lock switch.................................. 135
Windshield wiper and washer switch180
Windshield wiper de-icer switch.......256
T
Tachometer....................................................... 80 Variable red zone......................................... 82
Tail lights............................................................ 175 Light switch .....................................................175
Replacing light bulbs ................................328
Theft deterrent system Alarm................................................................... 70
Engine immobilizer system......................68
Theft prevention labels ................................. 71
Tire inflation pressure .................................. 317 Maintenance data ..................................... 383
Tire inflation pressure display function..........................................................................307
Warning light ...............................................344
Tire information ............................................ 387 Glossary ........................................................ 390
Size ................................................................... 388
Tire identification number..................... 388
Uniform Tire Quality Grading ........... 389
Tire pressure warning system ................ 307 Function ..........................................................307
Initializing......................................................... 310
Installing tire pres sure warning valves
and transmitters...................................... 309
Registering ID codes .................................312
Warning light ...............................................344
Tires...................................................................305 Chains ............................................................. 243
Checking ...................................................... 305
If you have a flat tire ..................................354

Alphabetical index435
Pre-collision braking.................................. 192
Seat belt reminder..................................... 343
Warning label .................................................. 63
Warning lights............................................... 339 ABS ..................................................................340
Brake hold operated indicator ........... 342
Brake Override System ......................... 342
Brake system ...................................339, 343
Charging system ....................................... 339
Electric power steering ..........................340
High coolant temperature .................... 344
LKA (Lane-Keeping Assist)................... 341
Low engine oil pressure......................... 339
Low fuel level ............................................... 343
Malfunction indicator lamp...................340
Master warning light ................................ 344
Parking brake indicator .......................... 342
Pre-collision system ................................... 341
Seat belt reminder light .......................... 343
Slip indicator ..................................................341
SRS....................................................................340
Tire pressure ................................................ 344
Warning messages ..................................... 348
Warning reflector storag e belt.............. 266
Washer ............................................................. 180 Checking ....................................................... 302
Preparing and checking before winter......................................................................... 242
Switch ............................................................... 180
Washing and waxing.................................. 278
Weight Cargo capacity.............................................146
Load limits .......................................................146
Weight ............................................................ 376
Wheels ...............................................................319 Replacing wheels.........................................313
Size....................................................................383
Window lock switch .....................................135
Windows ...........................................................134 Power windows............................................ 134
Rear window defogger .......................... 253
Washer ............................................................ 180 Windshield wiper de-icer ........................ 257
Windshield wipers ....................................... 180
Position............................................................. 182
Rain-sensing windshield wipers .......... 180
Winter driving tips....................................... 242
Wireless remote control ........................... 106 Battery-Saving Function............................ 117
Locking/Unlocking ................................... 106
Replacing the battery ............................... 322
For information regarding the equipment listed below, refer to
the “NAVIGATION SYSTEM
OWNER’S MANUAL”.
· Audio/video system
· Navigation system
· Lexus parking assist monitor
· Lexus Enform